13don MSN
In 1933, a lab worker scrubbing a beaker found a green film that led to modern plastic wrap
A lab accident in 1933 led to the discovery of a sticky deposit that became Saran, a revolutionary plastic film. Initially ...
Three Class 12 students — two girls and one boy — were injured after acid spilled on them during a chemistry class experiment at the government school in Sector 12-A. School principal Renu Bala ...
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